Canine Caviar Buffalo Buffaroos Dog Treats are extra meaty to give your furry pal a long-lasting, satisfying chew (helping to reduce tartar and maintain your dog's teeth and gums). Canine Caviar Buffalo Buffaroos come from premium quality 100% free-range, grass-fed buffalo. Buffalo graze on open grassland & natural grass which allows them to grow faster than cows so they are not fed growth hormones. Buffalo are very low in sodium, calories, and contain calcium, potassium, and Vitamins B6 & B12.